package cn.edu.scau.cmi.suwenpeng.chapter05;

public class Tixing {

	double above, bottom, height;

	Tixing(double a, double b, double h) {
		above = a;
		bottom = b;
		height = h;
	}
	double getArea() {
		return (above+bottom)*height/2;
	}
}
